Chaplet



" Aug. 4, 1931. H REEDER 1,816,870

CHAPLET Filed June 3. '1929 m mm Patented Aug. 4, 1931 l STATES L'referiaNr fom-CE oHARLEs H. nnEDEn,

p l, N013' sr. Louis, nissonnr, Assienon 'ro ,REEDER MANUFACTUR- n ING oo., or) snmpus, nrssounr'n' oonronnrron or Missonm CHAPLET Application filed June 3,

lhisrinvention relates to chaplets `for ,use in foundry work to support coresv in molds which are prepared to receive molten metal. VChaplets should have sutcient strength to supportvheavy cores ywithoutdeflection which would vary the .thickness of the casting. It is also desirable to make the chaplets of thin metal which will be fused by and integrally united with the molten metal, so as to prevent the formation-of weak portions in Ithe casting. Prior tothe present invent.ionsomefof these vresults have been, ymore or less .eifectively obtained by chaplets madeof thin sheet metal. However, to provide the desired strength',

f Wide sheet metal walls have been located yin .the course of the molten metal, which tends to displacefthe-chaplets, and such walls ,also

tend to trap gas and steam in the rchafplets, .thereby resultingy in blow holes and porous kconditions which weaken the casting at the chaplets. Moreover, wide solid walls in .a chaplet tend to quickly chill the molten metal and they do not become fused y.or integrally united with the casting v4,to ,the same degree that thin narrow strips would be united therewith. v i

.Onejof my objects is to produce a chaplet of thin metal having `,the desired-strength, and which is in the formof an yopen skeleton through which the gases, steam ,and Yifnolten `metal will pass freely, wit-hout being obstructed by wide bailies, or the like.

Y Morer specically stated, my .object is vto most yeffectively accomplish all of A,these results, by means of a. simple andlinevxpensive chaplet consisting of open lvtop and bottom members and Ya ystrong group lot thin, narrow members separating .the top'and bottom members. Them'olten metal will quickly low between and around the thinnarrow members, vuniting the whole `mass by fusion inthe het metal. I However, the continuit'y'of the castv metal is'not materially interrupted by the thin, narrow skeleton members iny the L5 chaplet, so the resultantcasting free from defects at the chaplets, and this ycasting may be used as a containerv for liquid or gaseous fluids Withoutdangerot leakage at the chaplets. y

Another object .is to produce a chaplet hav- 1929. Serial N0. 367,865.

a simple and inexpensive anchoring meansVwher-eby it can easily and quickly be anchored in the mold.

71th the foregoing and other objects in View, the .invention comprises the novel con- Fig. l is a perspective View of a chaplet embodying the features of this invention.

Fig. 2 ,is a side elevation.

Fig. 3 is a section through the middlel ,portion of the chaplet. Fig. 4 is a top view.

Fig. 5 is a front View.

Fig. L6 is a section showing the chaplet in a casting, theplane of the ysection being at one sideof the separating tongues.

` Fig. 7 isa plan view of the strip of metal which is bent to form the chaplet.

The Ichaplet shown .to illustrate one form of the invention comprises top and kbottom members 1, an .intermediate member 2 connecting said top and bottom members, and separating members V3 cooperating with said vintermediate member to prevent downward displacement of the top member relative to ,the bottom member. All of these parts may be made yoi ay single sheet of metal (Fig. 7) xbent to fthe desired shape `and punched to form the separating members 3 ywhich preferably lie at an angle to the top and bottom members l, and also at an angle to the connecting member 2. n

The top and bottom :faces of the chaplet Iare preferably flat and parallel with each other.

`The connecting member 2 extends downwardly from one side of the top member to .the opposite side of the bottom member, and this connecting member may be inclined as shown to cooperate with the top and .bottom However, it is to be members in forming a Z-shaped article. i

-T-he separating members 3 are in the form of lUU -tongues punched from the top and bottom The tongues 3 thus cooperate with the lconnecting member 2 to prevent downward dis-- placement of the top member relative to the bottom member. Attention is now directed to open construction of the chaplet consisting of thin and narrow members producing ,an open skeleton frame which does not obstruct the flow of the molten metal, and does not trap the air ahead of the molten metal nor the steam and gases which are often generated when the molten metal contacts with the chaplets. YMoreover, the narrow skeleton members do not materially chill the molten metal and they are readily fusedy by this hot metal to become an integral part of the *cast-l ing. y

Either ofthe members 1 maybe located at the top of the chaplet, and each of said members is inthe form of a web having a large opening 4 to receive the molten metal and to permit the escapey of steam and gases from the chaplet. v

T he connecting member 2*'is in theform of an approximately H-shaped web comprising side members kseparated from each other to permit free flow of gases and `molten metal l between them, and anintermediate'member 5 uniting said sidemembers. The large` openings in this H-shaped connecting web @Vextend into edges ofthe top and bottom mem bers 1, as shown at 6 in Figs. 1 and.V Consequently, lthe top and bottom members are open at connecting web 2 to permit free flow of vgases and molten metal. The gases escape at thejtop member, instead of being trapped at the upper edge of the inclined connecting member, and the molten metal flows along "the inner faces of the top and bottom member and freelylpasses through the large openings Vat the upper and lower portions of the connecting member 2.

" The separating tongues 3 are providedV lwith openings at 7 whichextend to thel respective top and bottom' members. 1 These openingsaid in ventingthe chaplet while permitting free flow of the molten metal, and they leave narrow metal members which fuse into without unduly vchillingl the molten metal.

The chaplet herein describedl is a strong and simple device made of inexpensive'sheet metal which can be easily punched as shown Vin Fig. 7, and then bent in a forming die to produce an article having absolutely Vparallel top and bottom facesaccurately separated to lie at a predetermined distance from each other. The simple skeleton structure is so braced that it will withstand severe crushing stresses without material' deflection, and although the narrow sheet metal members may be relatively thin, they have no weak overhanging portions likely to be bent by the weight of a heavy core. Y The deviceshown is also openat all `sides' toY freely receive `the molten metal without liability of trapping gas, or the like, in the chaplet. The thin, narrow members are readily fused by, or welded to, the casting, and owing to the peculiar shape of the chaplet structure, it will not materially weaken the casting, even in cases where the molten metal is not hot enough to cause the desired degree of fusion. This is suggested in Fig.V (i which shows how the casting 8 surrounds and interlocks with the skeleton ch'aplet to avoid the production of weak lines of fracture. f

Chaplets are made in numerous sizes for usevin making castings diering in thickness, and another advantage of the structure shown lies in the fact that inan emergencyit can be forcibly compressed in a vise, or, the like, to meet therequirements of several other sizes and still retain its strength and its parallel top and bottom faces. The separating tongues 3 lare oiiset'from each othery at the narrow internf'iediatek memberL 5, as shown in Fig. 8, and this narrow member will yield in response to pressure transmitted through the tongues 3,Y so as to provide for the above mentioned forcible compression which reduces the distancebetween the top and bottom members. y V, Prior to this invention, nails have been used to secure chapletsin molds, the nails being passed through the chaplets and driven into thev'sand. To reducethe time and labor involved in securing the chaplet, have shown anchoring means integral with the chaplet structure adapted for use whenever it is desiredto fasten the chaplet in a mold.

To illustrate this feature,anchoring prongs 9 and 10 are shown on one of the members 1. The prong 10 is punched from the opening in one of the separating' tongues 3, and this prong 10 `may extend into vthe opening 4- in the top member 1 where it lies'parallel with said top member, or the said prongV 1() may be bent to the anchoring position shown by ber 1 from which they extend, and when they are required to secure the chaplet, said prongs 9 are bent as indicated by dotted lines in Fic.

3, to extend from the flat face. The chaplet can be secured by merely forcing it onto the sand.' with pressure sufficient to force the eX- tended prongs into the sand.

I claim:

l. A chaplet comprising a top member, a bottom member, and a connecting member eX- tending from said bottom member to one edge at the intermediate member, and the latter being yieldable in response to pressure transmitted through said tongues to provide for a variation in the distance between said top and bottom webs.

3. A chaplet having an opening for the discharge ot gases therefromy and an anchoring prong in said opening, said prong being iieX- ible and adapted to be bent to ananchoring position outside of said opening.

A ch aplet comprising a continuous strip oit' metal having one of its ends'at the top of the chaplet andits opposite end at the bottom of the chaplet, one or said ends being provided with an extended anchoring prong and the other end being cut away to provide a corresponding prong on another chaplet.

5. A chaplet comprising a continuous strip of metal having one of its ends at the top of the chaplet and its opposite end at the bottom of the chaplet, one of said ends being pro vided with anchoring prongs at the side margins of the chaplet, and the other end being g cut away at its side margins to provide corresponding prongs for another chaplet.

6. A chaplet comprising a top member, a bottom member, and a connecting member extending from said bottom member to one edge of said top member, said connecting member having an opening extending into said top member.

7. A chaplet comprising a top member, a bottom member, and a connecting member extending from one edge of said top member to the opposite edge of said bottom member, said connecting member having openings extending into said top and bottom members.

8. A chaplet comprising a top member, a bottom member and a connecting member eX- tendingfrom one edge ot said top member to the opposite edge oi said bottom member, said connecting member comprising relatively thin andnarrow web members separated from each other to permit free flow of fluid and gases between them.

9. A chaplet comprising a top web member having a relatively large opening, a. bottom web member having a relatively large opening, a connecting member extending from one edge of said top member to the opposite edge ot said bottom member, said connecting member comprising relatively thin and narrow web members separated from each other to permit free flow of gases and molten metal between them and a relatively narrow and thin intermediate member uniting the last mentioned web members, and separating tongues extending from said intermediate member to said top and bottom members, said separating tongues comprising relatively thin and narrow web members.

In testimony that I claim'the foregoing I hereunto affix my signature.

CHARLES I'I. REEDER. 

